package com.atguigu.gulimall.product.service.impl;

import com.alibaba.fastjson.TypeReference;
import com.atguigu.common.constant.ProductConstant;
import com.atguigu.common.es.SkuEsModel;
import com.atguigu.common.to.SkuReductionTo;
import com.atguigu.common.to.SpuBoundTo;
import com.atguigu.common.utils.R;
import com.atguigu.common.vo.SkuhasStockVo;
import com.atguigu.gulimall.product.entity.*;
import com.atguigu.gulimall.product.feign.CouponFeignService;
import com.atguigu.gulimall.product.feign.SearchFignService;
import com.atguigu.gulimall.product.feign.WareFeignService;
import com.atguigu.gulimall.product.service.*;
import com.atguigu.gulimall.product.vo.*;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.util.*;
import java.util.stream.Collectors;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.atguigu.common.utils.PageUtils;
import com.atguigu.common.utils.Query;

import com.atguigu.gulimall.product.dao.SpuInfoDao;
import org.springframework.transaction.annotation.Transactional;


@Service("spuInfoService")
public class SpuInfoServiceImpl extends ServiceImpl<SpuInfoDao, SpuInfoEntity> implements SpuInfoService {
    @Autowired
    private SpuInfoDescService spuInfoDescService;
    @Autowired
    private SpuImagesService spuImagesService;
    @Autowired
    private AttrService attrService;
    @Autowired
    private ProductAttrValueService attrValueService;
    @Autowired
    private SkuInfoService skuInfoService;
    @Autowired
    private SkuImagesService skuImagesService;
    @Autowired
    private SkuSaleAttrValueService skuSaleAttrValueService;
    @Autowired
    private CouponFeignService couponFeignService;
    @Autowired
    private BrandService brandService;
    @Autowired
    private CategoryService categoryService;
    @Autowired
    private WareFeignService wareFeignService;;
    @Autowired
    private SearchFignService searchFignService;
    @Override
    public PageUtils queryPage(Map<String, Object> params) {
        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                new QueryWrapper<SpuInfoEntity>()
        );

        return new PageUtils(page);
    }

    @Override
    @Transactional
    public void saveSpuInfo(SpuSaveVo vo) {
        //1.保存spu基本信息 pms_spu_info
        SpuInfoEntity infoEntity = new SpuInfoEntity();
        BeanUtils.copyProperties(vo,infoEntity);
        infoEntity.setCreateTime(new Date());
        infoEntity.setUpdateTime(new Date());
        this.saveBaseSpuInfo(infoEntity);
        //2.保存spu描述图片 pms_sup_info_desc
        List<String> decriptList = vo.getDecript();
        SpuInfoDescEntity descEntity = new SpuInfoDescEntity();
        descEntity.setSpuId(infoEntity.getId());
        descEntity.setDecript(String.join(",",decriptList));
        spuInfoDescService.saveSpuInfoDesc(descEntity);
        //3.保存spu图片集  pms_spu_images
        List<String> images = vo.getImages();
        spuImagesService.saveImages(infoEntity.getId(), images);
        //4.保存spu规格参数 `pms_product_attr_value`
        List<BaseAttrs> baseAttrs = vo.getBaseAttrs();
        List<ProductAttrValueEntity> collect = baseAttrs.stream().map(attr -> {
            ProductAttrValueEntity valueEntity = new ProductAttrValueEntity();
            valueEntity.setAttrId(attr.getAttrId());
            AttrEntity byId = attrService.getById(attr.getAttrId());
            valueEntity.setAttrName(byId.getAttrName());
            valueEntity.setAttrValue(attr.getAttrValues());
            valueEntity.setQuickShow(attr.getShowDesc());
            valueEntity.setSpuId(infoEntity.getId());
            return valueEntity;
        }).collect(Collectors.toList());
        attrValueService.saveProductAttr(collect);
        //5.保存spu的积分信息gulimall_sms->sms_spu_bounds
        Bounds bounds = vo.getBounds();
        SpuBoundTo spuBoundTo = new SpuBoundTo();
        BeanUtils.copyProperties(bounds,spuBoundTo);
        spuBoundTo.setSpuId(infoEntity.getId());
        R r = couponFeignService.saveSpuBounds(spuBoundTo);
        if(r.getCode() !=0){
            log.error("远程保存spu积分信息失败");
        }
        //5.保存当前spu对应的sku

        //5.1 sku基本信息 pms_sku_info
        List<Skus> skus = vo.getSkus();
        if(skus!=null && skus.size()>0){
            skus.forEach(item ->{
                String defaultImg = "";
                for (Images image : item.getImages()) {
                    if(image.getDefaultImg()==1){
                        defaultImg = image.getImgUrl();
                    }
                }
                SkuInfoEntity skuInfoEntity = new SkuInfoEntity();
                BeanUtils.copyProperties(item,skuInfoEntity);
                skuInfoEntity.setBrandId(infoEntity.getBrandId());
                skuInfoEntity.setCatalogId(infoEntity.getCatalogId());
                skuInfoEntity.setSaleCount(0L);
                skuInfoEntity.setSpuId(infoEntity.getId());
                skuInfoEntity.setSkuDefaultImg(defaultImg);
                skuInfoService.saveSkuInfo(skuInfoEntity);
                Long skuId = skuInfoEntity.getSkuId();
                
                List<SkuImagesEntity> imgesEntities = item.getImages().stream().map(img -> {
                    SkuImagesEntity skuImagesEntity = new SkuImagesEntity();
                    skuImagesEntity.setSkuId(skuId);
                    skuImagesEntity.setImgUrl(img.getImgUrl());
                    skuImagesEntity.setDefaultImg(img.getDefaultImg());
                    return skuImagesEntity;
                }).filter(entity -> StringUtils.isNotEmpty(entity.getImgUrl())).collect(Collectors.toList());
                //5.2 保存sku1图片信息 pms_sku_images
                skuImagesService.saveBatch(imgesEntities);

                List<Attr> attr = item.getAttr();
                List<SkuSaleAttrValueEntity> skuSaleAttrValueEntities = attr.stream().map(a -> {
                    SkuSaleAttrValueEntity attrValueEntity = new SkuSaleAttrValueEntity();
                    BeanUtils.copyProperties(a, attrValueEntity);
                    attrValueEntity.setSkuId(skuId);
                    return attrValueEntity;
                }).collect(Collectors.toList());
                //5.3 sku的销售属性pms_sku_sale_attr_value
                skuSaleAttrValueService.saveBatch(skuSaleAttrValueEntities);
                //5.4 sku的优惠满减信息 数据库:gulimall_sms->sms_sku_ladder,sms_sku_full_reduction,sms_member_price
                SkuReductionTo skuReductionTo = new SkuReductionTo();
                BeanUtils.copyProperties(item,skuReductionTo);
                skuReductionTo.setSkuId(skuId);
                if(skuReductionTo.getFullCount()>0 || skuReductionTo.getFullPrice().compareTo(new BigDecimal("0"))==1){
                    R r1 = couponFeignService.saveSkuReduction(skuReductionTo);
                    if(r1.getCode()!=0){
                        log.error("远程保存sku优惠信息失败");
                    }
                }

            });

        }




        
    }

    @Override
    public void saveBaseSpuInfo(SpuInfoEntity spuInfoEntity) {
        this.baseMapper.insert(spuInfoEntity);
    }

    @Override
    public PageUtils queryPageByCondition(Map<String, Object> params) {
        QueryWrapper<SpuInfoEntity> queryWrapper = new QueryWrapper<>();
        String key = (String) params.get("key");
        if (!org.springframework.util.StringUtils.isEmpty(key)) {
            queryWrapper.and(w -> w.eq("id", key).or().like("spu_name", key));
        }
        String status = (String) params.get("status");
        if (!org.springframework.util.StringUtils.isEmpty(status)) {
            queryWrapper.eq("publish_status", status);
        }
        String brandId = (String) params.get("brandId");
        if (!org.springframework.util.StringUtils.isEmpty(brandId)&&!"0".equalsIgnoreCase(brandId)) {
            queryWrapper.eq("brand_id", brandId);
        }
        String catelogId = (String) params.get("catelogId");
        if (!org.springframework.util.StringUtils.isEmpty(catelogId)&&!"0".equalsIgnoreCase(catelogId)) {
            queryWrapper.eq("catalog_id", catelogId);
        }
        IPage<SpuInfoEntity> page = this.page(
                new Query<SpuInfoEntity>().getPage(params),
                queryWrapper
        );
        return new PageUtils(page);
    }

    /**
     * 商品上架
     * @param spuId
     */
    @Override
    public void up(Long spuId) {

        //查出当前spu对应的sku信息,品牌名字
        List<SkuInfoEntity> skus = skuInfoService.getSkuBySpuId(spuId);
        List<Long> skuIdList = skus.stream().map(SkuInfoEntity::getSkuId).collect(Collectors.toList());
        //TODO 查询所有sku可以被用来检索规格属性
        List<ProductAttrValueEntity> baseAttrs = attrValueService.baseAttrlistforspu(spuId);
        List<Long> attrIds = baseAttrs.stream().map(attr -> attr.getAttrId()).collect(Collectors.toList());
        List<Long> searchAttrIds = attrService.selectSearchAttr(attrIds);
        Set<Long> idset = new HashSet<Long>(searchAttrIds);
        List<SkuEsModel.Attrs> attrsList = baseAttrs.stream().filter(item -> idset.contains(item.getAttrId()))
                .map(item -> {
                    SkuEsModel.Attrs attrs1 = new SkuEsModel.Attrs();
                    BeanUtils.copyProperties(item, attrs1);
                    return attrs1;
                })
                .collect(Collectors.toList());
        //TODO 发送远程库存系统,库存系统是否有库存
        Map<Long, Boolean> stockMap = null;
        try {
             R r = wareFeignService.getSkuHasStock(skuIdList);
            TypeReference<List<SkuhasStockVo>> typeReference = new TypeReference<List<SkuhasStockVo>>() {};
            stockMap = r.getData(typeReference).stream()
                    .collect(Collectors.toMap(SkuhasStockVo::getSkuId, item -> item.getHasStock()));
        } catch (Exception e) {
            log.error("库存服务查询异常:原因{}",e); 
            e.printStackTrace();
        }

        //封装sku的信息
        Map<Long, Boolean> finalStockMap = stockMap;
        List<SkuEsModel> upProdcuts = skus.stream().map(sku -> {
            //组装需要的数据
            SkuEsModel esModel = new SkuEsModel();
            BeanUtils.copyProperties(sku,esModel);
            esModel.setSkuPrice(sku.getPrice());
            esModel.setSkuImg(sku.getSkuDefaultImg());
            //设置库存信息
            if(finalStockMap ==null){
                esModel.setHasStock(true);
            }else{
                esModel.setHasStock(finalStockMap.get(sku.getSkuId()));

            }
            // TODO 热度评分 0
            esModel.setHotScore(0L);
            //TODO 查询品牌和分类名称
            BrandEntity brandEntity = brandService.getById(esModel.getBrandId());
            esModel.setBrandName(brandEntity.getName());
            esModel.setBrandImg(brandEntity.getLogo());
            CategoryEntity categoryEntity = categoryService.getById(esModel.getCatalogId());
            esModel.setCatalogName(categoryEntity.getName());
            //设置检索属性
            esModel.setAttrs(attrsList);
            

            return esModel;
        }).collect(Collectors.toList());
        //TODO 将数据发送给es进行保存
        R r = searchFignService.productStartUp(upProdcuts);
        if(r.getCode()==0){
          //上架成功
          //修改spu的转态
            this.baseMapper.updateSpuStatus(spuId, ProductConstant.StatusEnum.SPU_UP.getCode());
        }else{
            //远程调用失败,接口幂等性,接口重试
            /**
             * 1.构造请求数据,将对象转为json
             * 2.发送请求进行执行
             * buildTemplate.create(argv)
             * executeAndDecode(template)
             * 3.执行重试器
             * while(true){
             * 
             */
        }
    }

    @Override
    public SpuInfoEntity getSpuInfoBySkuId(Long skuId) {
        SkuInfoEntity skuEntity = skuInfoService.getById(skuId);
        Long spuId = skuEntity.getSpuId();
        return this.getById(spuId);
    }


}